//
//  BookManager.h
//  作业3
//
//  Created by dllo on 16/7/6.
//  Copyright © 2016年 dllo. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Book.h"
@interface BookManager : NSObject
@property (nonatomic,retain) NSMutableArray *bookArr;
- (NSMutableArray *)addBook:(Book *)book;
- (NSMutableArray *)delBook:(Book *)book;
- (void)checkName:(NSString *)name
            price:(CGFloat)price;
- (void)showBooks;
@end
